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Hi Wayne. I wonder if we can derive Le (@1kHz) for a driver(?), having all the other T/S parameters for the same driver. I know there is a relation with Mms (and that there is another relation with Cms) but I am not sure if we can get it, or close. I have the measuring tools (from Kirshner/Germany) but I need a new laptop to put them to work, in the long run. I also congratulate you for the help you give, to all of us, on the diyAudio Forums. Thanks
I think it might be more useful to measure it. It'll give you an excuse to get that measurement system running! Be sure to measure at various drive levels.
Great, Wayne. It's a compression driver. Any special care with it's Fs?
Well, yes, I think I would not allow any LF signals to be generated. Start the sweep relatively high, just under the frequencies of interest.